gatsby-pingbot/lib/api/add.ts

import { VercelResponse } from '@vercel/node'
import axios from 'axios'

import blacklist from './blacklist.json'
import dbConnect from '../dbConnect'
import URLModel from '../schema'

export default async function addURL(url: string, response: VercelResponse) {
  blacklist.forEach(b => {
    if (url.includes(b)) {
      return response.status(400).json({
        success: false,
        message: 'URL in on blacklist'
      })
    }
  })

  // fetch url (e.g. check domain exist)
  try {
    await axios.get(url)
  } catch (err) {
    return response.status(400).json({
      success: false,
      message: 'Invalid URL'
    })
  }

  await dbConnect()

  try {
    const dbURL = new URLModel({ url })

    await dbURL.save()

    return response.status(200).json({
      success: true,
      message: `Added ${url}`
    })
  } catch (err) {
    console.error(err)
    return response.status(400).json({
      success: false,
      message: 'Already exist?'
    })
  }
}